sys/kern/sysv_sem.c

1111

struct sem_undo *suptr;

sys/kern/sysv_sem.c

1358

suptr = NULL;

sys/kern/sysv_sem.c

1371

error = semundo_adjust(td, &suptr, semid, seq,

sys/kern/sysv_sem.c

1392

if (semundo_adjust(td, &suptr, semid, seq,

sys/kern/sysv_sem.c

1441

struct sem_undo *suptr;

sys/kern/sysv_sem.c

1454

LIST_FOREACH(suptr, &semu_list, un_next) {

sys/kern/sysv_sem.c

1455

if (suptr->un_proc == p)

sys/kern/sysv_sem.c

1458

if (suptr == NULL) {

sys/kern/sysv_sem.c

1462

LIST_REMOVE(suptr, un_next);

sys/kern/sysv_sem.c

1465

suptr->un_cnt));

sys/kern/sysv_sem.c

1470

if (suptr->un_cnt > 0) {

sys/kern/sysv_sem.c

1472

for (ix = 0; ix < suptr->un_cnt; ix++) {

sys/kern/sysv_sem.c

1473

semid = suptr->un_ent[ix].un_id;

sys/kern/sysv_sem.c

1474

semnum = suptr->un_ent[ix].un_num;

sys/kern/sysv_sem.c

1475

adjval = suptr->un_ent[ix].un_adjval;

sys/kern/sysv_sem.c

1476

seq = suptr->un_ent[ix].un_seq;

sys/kern/sysv_sem.c

1490

suptr->un_proc, suptr->un_ent[ix].un_id,

sys/kern/sysv_sem.c

1491

suptr->un_ent[ix].un_num,

sys/kern/sysv_sem.c

1492

suptr->un_ent[ix].un_adjval,

sys/kern/sysv_sem.c

1512

suptr->un_proc = NULL;

sys/kern/sysv_sem.c

1513

suptr->un_cnt = 0;

sys/kern/sysv_sem.c

1514

LIST_INSERT_HEAD(&semu_free_list, suptr, un_next);

sys/kern/sysv_sem.c

299

struct sem_undo *suptr = SEMU(i);

sys/kern/sysv_sem.c

300

suptr->un_proc = NULL;

sys/kern/sysv_sem.c

301

LIST_INSERT_HEAD(&semu_free_list, suptr, un_next);

sys/kern/sysv_sem.c

412

struct sem_undo *suptr;

sys/kern/sysv_sem.c

415

if ((suptr = LIST_FIRST(&semu_free_list)) == NULL)

sys/kern/sysv_sem.c

417

LIST_REMOVE(suptr, un_next);

sys/kern/sysv_sem.c

418

LIST_INSERT_HEAD(&semu_list, suptr, un_next);

sys/kern/sysv_sem.c

419

suptr->un_cnt = 0;

sys/kern/sysv_sem.c

420

suptr->un_proc = td->td_proc;

sys/kern/sysv_sem.c

421

return (suptr);

sys/kern/sysv_sem.c

425

semu_try_free(struct sem_undo *suptr)

sys/kern/sysv_sem.c

430

if (suptr->un_cnt != 0)

sys/kern/sysv_sem.c

432

LIST_REMOVE(suptr, un_next);

sys/kern/sysv_sem.c

433

LIST_INSERT_HEAD(&semu_free_list, suptr, un_next);

sys/kern/sysv_sem.c

446

struct sem_undo *suptr;

sys/kern/sysv_sem.c

454

suptr = *supptr;

sys/kern/sysv_sem.c

455

if (suptr == NULL) {

sys/kern/sysv_sem.c

456

LIST_FOREACH(suptr, &semu_list, un_next) {

sys/kern/sysv_sem.c

457

if (suptr->un_proc == p) {

sys/kern/sysv_sem.c

458

*supptr = suptr;

sys/kern/sysv_sem.c

462

if (suptr == NULL) {

sys/kern/sysv_sem.c

465

suptr = semu_alloc(td);

sys/kern/sysv_sem.c

466

if (suptr == NULL)

sys/kern/sysv_sem.c

468

*supptr = suptr;

sys/kern/sysv_sem.c

476

sunptr = &suptr->un_ent[0];

sys/kern/sysv_sem.c

477

for (i = 0; i < suptr->un_cnt; i++, sunptr++) {

sys/kern/sysv_sem.c

487

suptr->un_cnt--;

sys/kern/sysv_sem.c

488

if (i < suptr->un_cnt)

sys/kern/sysv_sem.c

489

suptr->un_ent[i] =

sys/kern/sysv_sem.c

490

suptr->un_ent[suptr->un_cnt];

sys/kern/sysv_sem.c

491

if (suptr->un_cnt == 0)

sys/kern/sysv_sem.c

492

semu_try_free(suptr);

sys/kern/sysv_sem.c

502

if (suptr->un_cnt != seminfo.semume) {

sys/kern/sysv_sem.c

503

sunptr = &suptr->un_ent[suptr->un_cnt];

sys/kern/sysv_sem.c

504

suptr->un_cnt++;

sys/kern/sysv_sem.c

517

struct sem_undo *suptr, *suptr1;

sys/kern/sysv_sem.c

522

LIST_FOREACH_SAFE(suptr, &semu_list, un_next, suptr1) {

sys/kern/sysv_sem.c

523

sunptr = &suptr->un_ent[0];

sys/kern/sysv_sem.c

524

for (i = 0; i < suptr->un_cnt; i++, sunptr++) {

sys/kern/sysv_sem.c

528

suptr->un_cnt--;

sys/kern/sysv_sem.c

529

if (i < suptr->un_cnt) {

sys/kern/sysv_sem.c

530

suptr->un_ent[i] =

sys/kern/sysv_sem.c

531

suptr->un_ent[suptr->un_cnt];

sys/kern/sysv_sem.c

534

semu_try_free(suptr);

sys/sys/systm.h

374

__nodiscard int suptr(volatile void *base, intptr_t ptr);